Lead, Venous : 599

Capillary collection tubes are not accepted for this test code.  Refer to LEADCQ test code for capillary collections.

Test Code
LEADQ or 599

CPT Codes

Collection material such as alcohol swabs should be lead-free. Use powderless gloves. Wash hands thoroughly with soap and dry with clean, low-lint towel. Once washed, fingers must not come into contact with any surface. Clean skin with lead-free alcohol swab prior to puncture. Avoid worksite collection.

Transport Container
Preferred Specimen
3 mL whole blood in an EDTA royal blue-top tube

Alternative Specimens
Whole blood in a trace element free tube:  Sodium heparin royal blue-top tube, or an EDTA tan-top tube, or a Sodium heparin tan-top tube
Minimum  volume
0.5 mL whole blood in the trace element free collection tube.
Lead testing will not be performed on a specimen submitted in a non-trace element tube or non acid-washed/non metal-free container.

Transport Temperature

Specimen Stability
Room temperature: 5 days; Refrigerated: 14 days; Frozen: 60 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted specimen, EDTA lavender top tube

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) or Atomic Spectroscopy (AS)

Setup Schedule
Tuesday - Saturday

Report Available
48 hours  (From receipt at performing laboratory)

Reference Range
Birth-6 Years  <3.5 mcg/dL
>6 Years  <3.5 mcg/dL

Blood lead levels in the range of 3.5-9 mcg/dL have been associated with adverse health effects in children aged 6 years and younger.

Clinical Significance
Blood lead level analysis is performed to evaluate the body burden of lead.

Performing Laboratory
Quest Diagnostics

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.